/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:03:23,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:03:23,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:03:23,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:03:23,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:03:23,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:03:23,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:03:23,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:03:23,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:03:23,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:03:23,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:03:23,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:03:23,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:03:23,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:03:23,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:03:23,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:03:23,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:03:23,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:03:23,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:03:23,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:03:23,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:03:23,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:03:23,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:03:23,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:03:23,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:03:23,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:03:23,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:03:23,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:03:23,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 16:03:23,818 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:03:23,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:03:23,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:03:23,820 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:03:23,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:03:23,820 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:03:23,820 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:03:23,821 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:03:23,821 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:03:23,821 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:03:23,822 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:03:23,822 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:03:23,823 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:03:23,823 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:03:23,823 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:03:23,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:03:23,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:03:23,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:03:23,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:03:23,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:03:23,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:03:23,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:03:23,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:03:23,826 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:03:23,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:03:23,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:03:23,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:03:23,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:03:23,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:03:23,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:23,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:03:23,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:03:23,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:03:23,830 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:03:23,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:03:23,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:03:23,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:03:23,831 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:03:24,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:03:24,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:03:24,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:03:24,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:03:24,129 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:03:24,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-11-24 16:03:24,205 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2672ba554/80ab928bda2b47eb873cc6e1bb7f72ec/FLAG5bab60ebc [2019-11-24 16:03:24,680 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:03:24,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-11-24 16:03:24,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2672ba554/80ab928bda2b47eb873cc6e1bb7f72ec/FLAG5bab60ebc [2019-11-24 16:03:25,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2672ba554/80ab928bda2b47eb873cc6e1bb7f72ec [2019-11-24 16:03:25,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:03:25,072 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:03:25,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:25,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:03:25,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:03:25,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2baaab1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25, skipping insertion in model container [2019-11-24 16:03:25,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:03:25,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:03:25,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:25,318 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:03:25,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:25,436 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:03:25,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25 WrapperNode [2019-11-24 16:03:25,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:25,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:25,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:03:25,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:03:25,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:25,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:03:25,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:03:25,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:03:25,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... [2019-11-24 16:03:25,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:03:25,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:03:25,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:03:25,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:03:25,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-24 16:03:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-24 16:03:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 16:03:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-24 16:03:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:03:25,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:03:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-24 16:03:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-24 16:03:26,071 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:03:26,072 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-24 16:03:26,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:26 BoogieIcfgContainer [2019-11-24 16:03:26,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:03:26,074 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:03:26,074 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:03:26,074 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:03:26,075 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:26" (1/1) ... [2019-11-24 16:03:26,076 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 16:03:26,100 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:03:26,101 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:03:26,108 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:03:26,114 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:03:26,116 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:03:27,654 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:28,456 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:28,523 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:29,401 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 146 [2019-11-24 16:03:29,550 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 147 [2019-11-24 16:03:29,678 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:29,723 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:29,787 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:30,923 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:30,983 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:31,000 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:32,426 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:32,496 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:32,563 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:34,239 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-11-24 16:03:34,363 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2019-11-24 16:03:34,583 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2019-11-24 16:03:34,736 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2019-11-24 16:03:35,206 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,286 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,315 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,403 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,423 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,442 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,461 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,484 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,501 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,520 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,535 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,556 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,702 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,738 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:35,753 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,136 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,167 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,191 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,307 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,332 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,358 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,381 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,408 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,479 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,500 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,521 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,539 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,574 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,591 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,604 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,618 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:36,629 WARN L227 Elim1Store]: Array PQE input equivalent to false [2019-11-24 16:03:37,603 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 16:03:37,656 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:03:37,671 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:03:37,671 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:03:37,672 INFO L168 Benchmark]: Toolchain (without parser) took 12600.69 ms. Allocated memory was 140.0 MB in the beginning and 396.4 MB in the end (delta: 256.4 MB). Free memory was 103.2 MB in the beginning and 246.6 MB in the end (delta: -143.4 MB). Peak memory consumption was 113.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:37,673 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 140.0 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:03:37,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.99 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.0 MB in the beginning and 183.6 MB in the end (delta: -80.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:37,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 204.5 MB. Free memory was 183.6 MB in the beginning and 181.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:37,674 INFO L168 Benchmark]: Boogie Preprocessor took 43.17 ms. Allocated memory is still 204.5 MB. Free memory was 181.3 MB in the beginning and 179.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:37,674 INFO L168 Benchmark]: RCFGBuilder took 550.80 ms. Allocated memory is still 204.5 MB. Free memory was 179.4 MB in the beginning and 156.0 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:37,674 INFO L168 Benchmark]: Sifa took 11597.40 ms. Allocated memory was 204.5 MB in the beginning and 396.4 MB in the end (delta: 191.9 MB). Free memory was 156.0 MB in the beginning and 246.6 MB in the end (delta: -90.6 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:37,676 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 140.0 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 363.99 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.0 MB in the beginning and 183.6 MB in the end (delta: -80.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 204.5 MB. Free memory was 183.6 MB in the beginning and 181.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.17 ms. Allocated memory is still 204.5 MB. Free memory was 181.3 MB in the beginning and 179.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 550.80 ms. Allocated memory is still 204.5 MB. Free memory was 179.4 MB in the beginning and 156.0 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Sifa took 11597.40 ms. Allocated memory was 204.5 MB in the beginning and 396.4 MB in the end (delta: 191.9 MB). Free memory was 156.0 MB in the beginning and 246.6 MB in the end (delta: -90.6 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11557, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 2, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 9348, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 9323, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1536, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 51, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 3, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 59, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 1975, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 83, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 28, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9526, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9525, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 65, DAG_COMPRESSION_RETAINED_NODES: 27 - UnprovableResult [Line: 51]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 116#(and (= ULTIMATE.start_main_~i~0 |ULTIMATE.start_check_#in~i|) (= |ULTIMATE.start_check_#in~pc.base| |ULTIMATE.start_main_~#cont~0.base|) (= ULTIMATE.start_check_~i |ULTIMATE.start_check_#in~i|) (= 0 |ULTIMATE.start_check_#res|) (= |ULTIMATE.start_check_#in~pc.offset| ULTIMATE.start_check_~pc.offset) (or (and (= 0 |ULTIMATE.start_check_#res|) (not (= ULTIMATE.start_check_~i (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset)) (+ (select (select |#memory_$Pointer$.offset| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset) (* ULTIMATE.start_check_~i 4)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset)) (+ (select (select |#memory_$Pointer$.offset| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset) (* ULTIMATE.start_check_~i 4))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset)) (+ (select (select |#memory_$Pointer$.offset| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset) (* ULTIMATE.start_check_~i 4)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset)) (+ (select (select |#memory_$Pointer$.offset| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset) (* ULTIMATE.start_check_~i 4)))) 4))))) (and (= ULTIMATE.start_check_~i (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset)) (+ (select (select |#memory_$Pointer$.offset| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset) (* ULTIMATE.start_check_~i 4)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset)) (+ (select (select |#memory_$Pointer$.offset| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset) (* ULTIMATE.start_check_~i 4))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset)) (+ (select (select |#memory_$Pointer$.offset| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset) (* ULTIMATE.start_check_~i 4)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset)) (+ (select (select |#memory_$Pointer$.offset| ULTIMATE.start_check_~pc.base) ULTIMATE.start_check_~pc.offset) (* ULTIMATE.start_check_~i 4)))) 4))) (= 1 |ULTIMATE.start_check_#res|))) (= |ULTIMATE.start_check_#in~pc.base| ULTIMATE.start_check_~pc.base) (<= (select (select |#memory_int| ULTIMATE.start_main_~pa~0.base) ULTIMATE.start_main_~pa~0.offset) ULTIMATE.start_main_~i~0) (= |ULTIMATE.start_main_~#cont~0.offset| |ULTIMATE.start_check_#in~pc.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...